VULNERABILITY INTELLIGENCE

CVE-2021-3546

CVSS score8.2 HIGH
EPSS probability0.46%
CISA KEVNot currently listed
Published2021-06-02
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Description

An out-of-bounds write vulnerability was found in the virtio vhost-user GPU device (vhost-user-gpu) of QEMU in versions up to and including 6.0. The flaw occurs while processing the 'VIRTIO_GPU_CMD_GET_CAPSET' command from the guest. It could allow a privileged guest user to crash the QEMU process on the host, resulting in a denial of service condition, or potential code execution with the privileges of the QEMU process.

Weakness classification

  • secalert@redhat.com: CWE-787
  • nvd@nist.gov: CWE-787

Primary references